Side by side

Hamilton American Classic Valiant AutovsYema Flygraf Bi-Compax French Air Force

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

American Classic Valiant Auto
HamiltonAmerican Classic Valiant Auto
MSRP $645
Flygraf Bi-Compax French Air Force
YemaFlygraf Bi-Compax French Air Force
MSRP $490

At a glance

12 of 29 specs differ
Diameter
American Classic Valiant Auto34mm
Flygraf Bi-Compax French Air Force40mm
Power Reserve
American Classic Valiant Auto80h
Flygraf Bi-Compax French Air Force40h
Water Resistance
American Classic Valiant Auto50m
Flygraf Bi-Compax French Air Force100m
MSRP
American Classic Valiant Auto$645
Flygraf Bi-Compax French Air Force$490

Full specifications

Case

7 specs
Category
Dress
Chronograph
Diameter
34mm
40mm
Thickness
10.58mm
9.5mm
Lug-to-Lug
46mm
Lug Width
16mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

1 specs
Dial Color
Silver
Black

Movement

3 specs
Caliber
H-10
Type
Automatic
Quartz
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$645
$490

Follow this matchup

Get a note when Hamilton American Classic Valiant Auto vs Yema Flygraf Bi-Compax French Air Force gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Hamilton American Classic Valiant Auto

Owners widely praise the Hamilton American Classic Valiant Auto for its classic design elements, such as the sunburst dial and Roman numerals, noting its suitability for everyday elegance and wearability under a cuff. One owner highlights the 39.5mm size and applied indices as a "hidden gem," while another appreciates the clean, simple design with thin Roman numerals. The watch is also commended for its comfortable bracelet and attractive lance hands, with confirmation that the bracelet is indeed changeable. Some owners note the date window's placement at three o'clock is a point of contention, and one owner reports the watch runs at approximately +6 seconds per day after ten years of intermittent use. On balance, owners rate the Hamilton American Classic Valiant Auto highly for its elegant, classic design and comfortable wearability at its price point.

Yema Flygraf Bi-Compax French Air Force

Owners widely praise the Yema Flygraf Bi-Compax French Air Force for its attractive, toolish aesthetic and excellent quality for the price, noting the legible Type A dial and 40mm titanium case. However, the acrylic crystal scratches easily, and the titanium case is prone to marking. The mecha-quartz movement's chrono timer sweeps rather than ticks, and one owner questions the purpose of the oversized crown. The in-house Yema 2000 movement is accurate at +/- 10 seconds per day but has a 42-hour power reserve, and some owners express concerns regarding Yema's past quality control and customer service. On balance, owners rate the Yema Flygraf Bi-Compax French Air Force highly for its attractive design and value, despite concerns about material durability and brand service history.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.